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Clinical definitions of pertussis: Summary of a Global Pertussis Initiative roundtable meeting, February 2011

James D Cherry1, Tina Tan, Carl-Heinz Wirsing von König

  • 1Department of Pediatrics, University of California, Los Angeles, CA 90095-1752, USA. jcherry@mednet.ucla.edu

Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America
|March 21, 2012
PubMed

Insights

Updated pertussis (whooping cough) case definitions are needed as current ones are outdated. The Global Pertussis Initiative (GPI) proposes new age-specific definitions to improve diagnosis in all age groups.

Area of Science:

  • Infectious Diseases
  • Microbiology
  • Public Health

Background:

  • Current clinical case definitions for pertussis (whooping cough) are outdated, primarily based on infant and child presentations.
  • Adolescents and adults experience a growing burden of pertussis with distinct clinical manifestations, rendering a "one-size-fits-all" definition inadequate.

Framework:

  • The Global Pertussis Initiative (GPI) developed a novel algorithm for pertussis diagnosis.
  • This algorithm provides age-specific case definitions for three distinct groups: 0-3 months, 4 months to 9 years, and ≥10 years.
  • Definitions are based on clinical presentation and incorporate recommendations for laboratory diagnostics.

Implementation:

  • The proposed definitions aim for broad applicability to enhance pertussis diagnosis.
  • Encourages increased utilization of laboratory diagnostics for more accurate case identification.
  • Further studies are required to determine the utility, sensitivity, and specificity of these new definitions compared to existing ones.

Implications:

  • Accurate diagnosis is crucial for understanding the true burden of pertussis.
  • Improved diagnostic accuracy will facilitate the implementation of effective, epidemiologically sound preventive strategies.
  • Enhanced case definitions can lead to better public health interventions and control of pertussis transmission.

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